Houston (HOU) to Washington (DCA) flights
Southwest Airlines flies nonstop from William P. Hobby Airport to Ronald Reagan Washington National Airport, with about 18 flights a week in July 2026. The 1,218-mile flight takes about 2h 51m gate to gate.
- Distance
- 1,218 mi · 1,960 km
- Flight time
- 2h 51m
- Airlines
- 1
- Seats filled
- 66%
Airlines flying HOU to DCA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 18 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 108,872 | 2h 51m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
HOU to DCA flight schedule
7 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 7:05am and the last at 7:15pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 3066Southwest Airlines | 7:05am | 11:00am | 12 | 92% |
| WN 3188Southwest Airlines | 8:00am | 12:05pm | 4 | n/a |
| WN 1911Southwest Airlines | 2:05pm | 6:05pm | 8 | n/a |
| WN 4229Southwest Airlines | 2:10pm | 6:10pm | 24 | 50% |
| WN 4286Southwest Airlines | 6:20pm | 10:20pm | 12 | 33% |
| WN 126Southwest Airlines | 6:25pm | 10:25pm | 12 | 33% |
| WN 2234Southwest Airlines | 7:15pm | 11:15pm | 4 | n/a |
Is HOU to DCA on time?
From September 2025 to August 2026, 68% of 1,052 flights arrived within 15 minutes of schedule and 1.8% were cancelled. Flights leaving around 7am were the most punctual (94%), those around 6pm the least (52%). Most delay time was caused by late-arriving aircraft (36%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,052 | 68% | 18 min | 1.8% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 7am to 8am | 84 | 94% | |
| 8am to 9am | 247 | 88% | |
| 11am to 12pm | 26 | 68% | |
| 12pm to 1pm | 143 | 63% | |
| 1pm to 2pm | 25 | 75% | |
| 2pm to 3pm | 137 | 57% | |
| 5pm to 6pm | 29 | 59% | |
| 6pm to 7pm | 107 | 52% | |
| 7pm to 8pm | 187 | 55% | |
| 8pm to 9pm | 22 | 33% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 88 | 10,222 | |
| September 2025 | 85 | 7,977 | |
| October 2025 | 85 | 8,722 | |
| November 2025 | 82 | 7,746 | |
| December 2025 | 91 | 8,691 | |
| January 2026 | 85 | 7,046 | |
| February 2026 | 78 | 5,994 | |
| March 2026 | 88 | 10,684 | |
| April 2026 | 87 | 10,089 | |
| May 2026 | 87 | 11,026 | |
| June 2026 | 89 | 10,776 | |
| July 2026 | 80 | 9,899 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.